FIELD: electricity.
SUBSTANCE: heating cable is related to electric heating cables, in particular, to heating cables working on principle of skin effect and equipped with non-organic ceramic insulation. The heating cable comprises at least one current-conducting core inside a ferromagnetic mould. Electrical current passes through the current-conducting core in forward direction and comes back to the shell surface layer in backward direction thus leading to heat production. At that the current-conducting core is separated from the ferromagnetic mould by a centraliser.
EFFECT: perfected design.
3 cl, 2 dwg
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